First, go to the Sources menu, select 'Video Output Device' and add the webcam or camera you're using to capture your face.

The key to good green screen results is to light things evenly ... Get the lighting as even as possible, then adjust your software to match ([Fred] uses OBS Studio) for best results.

Using video editing software, the editor can then replace ... cumbersome process than making a few mouse clicks. For the green screen effect, studios could actually use specialized optical filters.

Unfortunately, replacing the display is the only way to fix the green line issue on your phone screen. Nothing can be done on the software end by an end user that will fix the problem. Restart ...

Widely used in the early days of mainframes and minicomputers, as well as in the days of DOS, the character-based green screen gave way to the graphics-based interfaces of Windows and Mac.